Month: July 2017

I wrote recently about clipping data and shared an example in Beverly Hills. I wanted to use this data to explore and compare all the data sets available on Planet Explorer, but focusing on the terrific Open California data. I’ve been meaning for sometime to write a comparison between different sensors. My feeling is that Read more about Open California data & sensor comparison[…]

Often when processing satellite imagery clipping the data to an AOI makes sense. If you just want to build up a map of one area or use it for statistics then clipping is a standard part of a GIS process. Finding reliable data to clip to, or search with, is harder than it should be. Read more about Using OpenStreetMap to clip satellite data[…]

The Raspberry Pi Zero is great… you can run a GIS on it! I wrote about setting it up via usb on my laptop six months ago. You can revisit it if you like 🙂 http://www.acgeospatial.co.uk/blog/qgis-and-raspberry-pi-zero/ You can also run GDAL, OpenCV & scikit-learn. Let’s take a look at some examples. First off I ran Read more about Raspberry Pi Zero processing images[…]

There are plenty of stunning visualisations of objects in space at present. Starting with this one, updated in 2014 Interactive graphic: Every active satellite orbiting earth Then there is this one – which was displayed at Brighton Data Visualisation recently http://visualeyed.com/cover-story/satellites/ And this one from stuff in space and an ESRI map Plenty has been Read more about What’s in orbit today – Visualised[…]

Another quarter has flown by so following on from my Q1 review 2017, it’s time to take a look at the main events of Q2. If you missed my Q1 review it is available below. http://www.acgeospatial.co.uk/blog/earth-observation-q1-2017/ Q2 2017 So, here are some of the things you may or may not have missed between Apr Read more about Earth Observation Q2 review[…]